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Replacing The Wi-fi Card - Lenovo IdeaCentre B340 Maintenance Manual

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Step 10. Lift up the rear I/O module.
Step 11. Disconnect the TV antenna cable from the rear I/O module by removing the 2 screws.
Step 12. Remove the 2 screws that secure the rear I/O module to the metal bracket.
Step 13. Lift the rear I/O module up from connectors on the motherboard then slide it out.
Step 14. To install the new rear I/O module:
Line the new I/O module up then slide it into the metal bracket.
Secure the new I/O module to the bracket with the 2 screws.
Reattach the TV antenna cable to the rear I/O module.
Line the new I/O module up with the chassis then secure it with the screws.
Step 15. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover.

Replacing the Wi-Fi card

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
To replace the Wi-Fi card:
Step 1.
Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
1 2
Chapter 8
Replacing hardware


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